Pen grip



FIG. 1 is front side bottom perspective view of the pen grip showing mynew design;

FIG. 2 is a left side elevation view thereof which is a mirror image ofthe right side thereof;

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is a top plan view thereof.

The broken lines depicting environmental structure are for illustrativepurposes only and form no part of the claimed design.

The ornamental design for a pen grip, as shown and described.